guard rail
noun/ˈɡɑːd reɪl/
/ˈɡɑːrd reɪl/
- a bar placed on the edge of a path, a boat, etc. to protect people and prevent them falling over the edgeTopics Transport by waterc2
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- (North American English) (British English crash barrier)a strong low fence or wall at the side of a road or between the two halves of a major road such as a motorway or interstateTopics Transport by car or lorryc2
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guard rail